US President Barack Obama waves after taking the oath of office during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. The oath was administered by US Supreme Court Chief Justice John Roberts, Jr. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/Getty Images

Photo: Jewel Samad, AFP/Getty Images

US President Barack Obama waves after taking the oath of office...

US President Barack Obama waves after taking the oath of office... Photo-4066932.55531 - SFGate

Image 2 of 40

President Barack Obama dances with first lady Michelle Obama at the Commander in Chief's Ball on Monday, January 21, 2013 in Washington, D.C. (Pool photo by Justin Sullivan/Getty Images/MCT)

Photo: Justin Sullivan/Getty, McClatchy-Tribune News Service

President Barack Obama dances with first lady Michelle Obama at the...

President Barack Obama and first lady Michelle Obama wave at the crowd as the inaugural parade makes it way to the White House on Monday, January 21, 2013 in Washington, D.C. (Pool photo by Chip Somodevilla/Getty Images/MCT)

The presidential motorcade takes part in the inaugural parade on Monday, January 21, 2013 in Washington, D.C. (Pool photo by Molly Riley/AFP/MCT)

Photo: Molly Riley/AFP, McClatchy-Tribune News Service

The presidential motorcade takes part in the inaugural parade on...

The presidential motorcade takes part in the inaugural parade on... Photo-4066988.55531 - SFGate

Image 5 of 40

Spectators on top of buildings watch as President Barack Obama and first lady Michelle Obama participate in the parade during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Charles Dharapak)

Photo: Charles Dharapak, Associated Press

Spectators on top of buildings watch as President Barack Obama and...

Spectators on top of buildings watch as President Barack Obama and... Photo-4067128.55531 - SFGate

Image 6 of 40

President Barack Obama, second from left, accompanied by, from left, first lady Michelle Obama, Army Maj. Gen. Michael J. Linnington, Vice President Joe Biden and his wife Dr Jill Biden, arrive to review the troops on the east side of the Capitol in Washington, Monday, Jan. 21, 2103, following the president's ceremonial swearing-in ceremony during the 57th Presidential Inauguration. (AP Photo/CJ Gunther, Pool)

WASHINGTON, DC - JANUARY 21: The place card for U.S. President Barack Obama is ready for the Inaugural Luncheon in Statuary Hall on Inauguration day at the U.S. Capitol building January 21, 2013 in Washington D.C. U.S. President Barack Obama will be ceremonially sworn in for his second term today. (Photo by Allison Shelley/Getty Images)

Photo: Allison Shelley, Getty Images

WASHINGTON, DC - JANUARY 21: The place card for U.S. President...

WASHINGTON, DC - JANUARY 21: The place card for U.S. President... Photo-4066983.55531 - SFGate

Image 9 of 40

WASHINGTON, DC - JANUARY 21: People gather near the U.S. Capitol building on the National Mall for the Inauguration ceremony on January 21, 2013 in Washington, DC. U.S. President Barack Obama, will be ceremonially sworn in for his second term today. (Photo by Joe Raedle/Getty Images) *** BESTPIX ***

Photo: Joe Raedle, Getty Images

WASHINGTON, DC - JANUARY 21: People gather near the U.S. Capitol...

WASHINGTON, DC - JANUARY 21: People gather near the U.S. Capitol... Photo-4066979.55531 - SFGate

Image 10 of 40

President Barack Obama takes the oath of office during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/Getty Images

Photo: Jewel Samad, AFP/Getty Images

President Barack Obama takes the oath of office during the 57th...

President Barack Obama takes the oath of office during the 57th... Photo-4067277.55531 - SFGate

Image 11 of 40

President Barack Obama is seen waving from inside his limousine as he and first lady Michelle Obama drive in the inaugural parade during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Charles Dharapak)

Photo: Charles Dharapak, Associated Press

President Barack Obama is seen waving from inside his limousine as...

President Barack Obama is seen waving from inside his limousine as... Photo-4067127.55531 - SFGate

Image 12 of 40

President Barack Obama makes a toast during a luncheon on Capitol Hill in Washington, Monday, Jan. 21, 2013, following his ceremonial swearing-in during the 57th Presidential Inauguration. from left are, Sen. Lamar Alexander, R-Tenn., Vice President Joe Biden, Jill Biden, Sen. Charles Schumer, D-N.Y., chairman of the Joint Congressional Committee on Inaugural Ceremonies first lady Michelle Obama and House Speaker John Boehner of Ohio. (AP Photo/Manuel Balce Ceneta)

Photo: Manuel Balce Ceneta, Associated Press

President Barack Obama makes a toast during a luncheon on Capitol...

President Barack Obama makes a toast during a luncheon on Capitol... Photo-4067125.55531 - SFGate

Image 13 of 40

President Barack Obama kisses first lady Michelle Obama as their daughters Sasha, left, and Malia, second from left, look on during the Inaugural parade, Monday, Jan. 21, 2013, in Washington. Thousands marched during the 57th Presidential Inauguration parade after the ceremonial swearing-in of President Barack Obama. (AP Photo/Gerald Herbert)

US President Barack Obama gives his inauguration speech at the US Capitol on January 21, 2013 in Washington, DC. AFP PHOTO/Emmanuel DunandEMMANUEL DUNAND/AFP/Getty Images

Photo: Emmanuel Dunand, AFP/Getty Images

US President Barack Obama gives his inauguration speech at the US...

US President Barack Obama gives his inauguration speech at the US... Photo-4066978.55531 - SFGate

Image 15 of 40

The sun rises behind the Capitol building before the start of the U.S. presidential inauguration in Washington, D.C., U.S., on Monday, Jan. 21, 2013. As he enters his second term, President Barack Obama has shed the aura of a hopeful consensus builder determined to break partisan gridlock and adopted a more confrontational stance with Republicans. Photographer: Andrew Harrer/Bloomberg

Photo: Andrew Harrer, Bloomberg

The sun rises behind the Capitol building before the start of the...

The sun rises behind the Capitol building before the start of the... Photo-4067143.55531 - SFGate

Image 16 of 40

Tara Raigns, 32, of Petersburg, Virginia, stands on the National Mall and listens to President Barack Obama make remarks and take the oath of office, Monday, January 21, 2013. (Mary F. Calvert/MCT)

WASHINGTON, DC - JANUARY 21: Birds fly over the mall in the early morning in front of the Washington Monument before the presidential inauguration on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Justin Sullivan/Getty Images) *** BESTPIX ***

Photo: Justin Sullivan, Getty Images

WASHINGTON, DC - JANUARY 21: Birds fly over the mall in the early...

WASHINGTON, DC - JANUARY 21: Birds fly over the mall in the early... Photo-4067140.55531 - SFGate

Image 18 of 40

Greg Josken, of New York City (left) and Gustavo Cifuentes, of Jersey City, New Jersey, embrace during the inauguration ceremony on the Natonal Mall, Monday, January 21, 2013 in Washington, D.C. (Andre Chung/MCT)

Photo: AndrÈ Chung, McClatchy-Tribune News Service

Greg Josken, of New York City (left) and Gustavo Cifuentes, of...

Greg Josken, of New York City (left) and Gustavo Cifuentes, of... Photo-4067138.55531 - SFGate

Image 19 of 40

WASHINGTON, DC - JANUARY 21: U.S. President Barack Obama and First lady Michelle Obama walk the route as the presidential inaugural parade winds through the nation's capital January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - JANUARY 21: People stand on barricades near the White House while trying to catch a glimpse of the President's parade following the public Inauguration ceremony on January 21, 2013 in Washington, DC. U.S. President Barack Obama was ceremonially sworn in for his second term today. (Photo by Mario Tama/Getty Images)

WASHINGTON, DC - JANUARY 21: Singer Beyonce performs the National Anthem during the public ceremonial inauguration for U.S. President Barack Obama on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Mark Wilson/Getty Images) *** BESTPIX ***

Will I. Am is interviewed during The Inaugural Ball at the Washignton Convention Center during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Cliff Owen)

Photo: Cliff Owen, Associated Press

Will I. Am is interviewed during The Inaugural Ball at the...

Will I. Am is interviewed during The Inaugural Ball at the... Photo-4067133.55531 - SFGate

Image 23 of 40

US President Barack Obama and First Lady Michelle Obama attend the Commander-in-Chief's Ball, honoring US service members and their families, at the Walter E. Washington Convention Center on January 21, 2013 in Washington, DC. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/Getty Images

US First lady Michelle Obama walks through the crypt on her way to watch US President Barack Obama get sworn-in for a second term along with President Barack Obama, by Supreme Court Chief Justice John Roberts during his public inauguration ceremony at the U.S. Capitol Building in Washington, D.C. on January 21, 2013. AFP PHOTO / POOL / Molly RILEYMOLLY RILEY/AFP/Getty Images

Photo: Molly Riley, AFP/Getty Images

US First lady Michelle Obama walks through the crypt on her way to...

US First lady Michelle Obama walks through the crypt on her way to... Photo-4067131.55531 - SFGate

Image 25 of 40

WASHINGTON, DC - JANUARY 21: U.S. President Barack Obama and first lady Michelle Obama dance during the Commander-In-Chief's Inaugural Ball January 21, 2013 in Washington, DC. Obama was sworn in today for his second term in a public ceremonial swearing in.. (Photo by Joe Raedle/Getty Images)

President Barack Obama shakes hands as he leaves after the ceremonial swearing-in at the US Capitol during the 57th Presidential Inauguration in Washington, DC on January 21, 2013. (AFP PHOTO/POOL/EVAN VUCCIEvan Vucci/AFP/Getty Images

Photo: Evan Vucci, AFP/Getty Images

President Barack Obama shakes hands as he leaves after the...

President Barack Obama shakes hands as he leaves after the... Photo-4067130.55531 - SFGate

Image 27 of 40

The presidential motorcade takes part in the inaugural parade on Monday, January 21, 2013 in Washington, D.C. (Pool photo by Molly Riley/AFP/MCT)

Photo: Molly Riley/AFP, McClatchy-Tribune News Service

The presidential motorcade takes part in the inaugural parade on...

The presidential motorcade takes part in the inaugural parade on... Photo-4067129.55531 - SFGate

Image 28 of 40

A U.S. Secret Service Counter Sniper Team scans the horizon from atop the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Cliff Owen)

Photo: Cliff Owen, Associated Press

A U.S. Secret Service Counter Sniper Team scans the horizon from...

A U.S. Secret Service Counter Sniper Team scans the horizon from... Photo-4067400.55531 - SFGate

Image 29 of 40

US President Barack Obama takes the oath of office in front of First Lady Michelle Obama during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. US Chief Justice John Roberts administered the oath. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/Getty Images

Photo: Jewel Samad, AFP/Getty Images

US President Barack Obama takes the oath of office in front of...

US President Barack Obama takes the oath of office in front of... Photo-4067290.55531 - SFGate

Image 30 of 40

US President Barack Obama speaks after taking the oath of office during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. The oath was administered by US Supreme Court Chief Justice John Roberts. AFP PHOTO/Brendan SMIALOWSKIBRENDAN SMIALOWSKI/AFP/Getty Images

Photo: Brendan Smialowski, AFP/Getty Images

US President Barack Obama speaks after taking the oath of office...

US President Barack Obama speaks after taking the oath of office... Photo-4067289.55531 - SFGate

Image 31 of 40

US President Barack Obama takes the oath of office during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. The oath is administered by US Supreme Court Chief Justice John Roberts, Jr. Obama is joined by US First Lady Michelle Obama. AFP PHOTO/Emmanuel DunandEMMANUEL DUNAND/AFP/Getty Images

Photo: Emmanuel Dunand, AFP/Getty Images

US President Barack Obama takes the oath of office during the 57th...

US President Barack Obama takes the oath of office during the 57th... Photo-4067273.55531 - SFGate

Image 32 of 40

President Barack Obama receives the oath of office from Chief Justice John Roberts as first Lady Michelle holds the bible at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Evan Vucci)

Photo: Evan Vucci, Associated Press

President Barack Obama receives the oath of office from Chief...

President Barack Obama receives the oath of office from Chief... Photo-4067274.55531 - SFGate

Image 33 of 40

President Barack Obama blows a kiss as he and first lady Michelle Obama walk on Pennsylvania Avenue near the White House in the Inauguration Parade during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Charles Dharapak)

Photo: Charles Dharapak, Associated Press

President Barack Obama blows a kiss as he and first lady Michelle...

President Barack Obama blows a kiss as he and first lady Michelle... Photo-4067162.55531 - SFGate

President Barack Obama bows as he and first lady Michelle Obama,... Photo-4067164.55531 - SFGate

Image 35 of 40

First lady Michelle Obama speaks with her daughter Sasha at the ceremonial swearing-in for President Barack Obama at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Pablo Martinez Monsivais)

US President Barack Obama waves after finishing his speech during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. AFP PHOTO/EMMANUEL DUNANDEMMANUEL DUNAND/AFP/Getty Images

Photo: Emmanuel Dunand, AFP/Getty Images

US President Barack Obama waves after finishing his speech during...

US President Barack Obama waves after finishing his speech during... Photo-4067145.55531 - SFGate

Image 37 of 40

WASHINGTON, DC - JANUARY 21: Singer Beyonce performs the National Anthem as U.S. President Barack Obama looks on during the public ceremonial inauguration on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Alex Wong/Getty Images)

A crowd fills up the National Mall before at the ceremonial swearing-in of President Barack Obama at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Carolyn Kaster)

Photo: Carolyn Kaster, Associated Press

A crowd fills up the National Mall before at the ceremonial...

A crowd fills up the National Mall before at the ceremonial... Photo-4067149.55531 - SFGate

Image 39 of 40

WASHINGTON, DC - JANUARY 21: People stand near the U.S. Capitol building on the National Mall while attending the public Inauguration ceremony on January 21, 2013 in Washington, DC. U.S. President Barack Obama was ceremonially sworn in for his second term today. (Photo by Mario Tama/Getty Images)

Photo: Mario Tama, Getty Images

WASHINGTON, DC - JANUARY 21: People stand near the U.S. Capitol...

WASHINGTON, DC - JANUARY 21: People stand near the U.S. Capitol... Photo-4067142.55531 - SFGate